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  1. By: Harrold, C G
    Type: Article
    In: The Canadian field-naturalist
    Volume: 37
    Issue: 9
    Date: 1923-12
    Page Range: 169--169
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Harrold, C G
    Type: Article
    In: The Wilson bulletin
    Volume: 45
    Issue: 1
    Date: 1933
    Page Range: 16--26
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Harrold, C G
    Type: Article
    In: The Canadian field-naturalist
    Volume: 37
    Issue: 7
    Date: 1923-10
    Page Range: 138--139
    Publication Info: Ottawa Ottawa Field-Naturalists' Club